Publication: Nonuniversality of front fluctuations for compact colonies of nonmotile bacteria
dc.affiliation.dpto | UC3M. Departamento de Matemáticas | es |
dc.affiliation.grupoinv | UC3M. Grupo de Investigación: Interdisciplinar de Sistemas Complejos (GISC) | es |
dc.contributor.author | Santalla, Silvia N. | |
dc.contributor.author | Rodríguez Laguna, Javier | |
dc.contributor.author | Abad, Jose P. | |
dc.contributor.author | Marin, Irma | |
dc.contributor.author | Espinosa, María del Mar | |
dc.contributor.author | Muñoz-García, Javier | |
dc.contributor.author | Vázquez, Luis | |
dc.contributor.author | Cuerno, Rodolfo | |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es |
dc.date.accessioned | 2019-05-15T11:05:20Z | |
dc.date.available | 2019-05-15T11:05:20Z | |
dc.date.issued | 2018-07-10 | |
dc.description.abstract | The front of a compact bacterial colony growing on a Petri dish is a paradigmatic instance of non-equilibrium fluctuations in the celebrated Eden, or Kardar-Parisi-Zhang (KPZ), universality class. While in many experiments the scaling exponents crucially differ from the expected KPZ values, the source of this disagreement has remained poorly understood. We have performed growth experiments with B. subtilis 168 and E. coli ATCC 25922 under conditions leading to compact colonies in the classically alleged Eden regime, where individual motility is suppressed. Non-KPZ scaling is indeed observed for all accessible times, KPZ asymptotics being ruled out for our experiments due to the monotonic increase of front branching with time. Simulations of an effective model suggest the occurrence of transient nonuniversal scaling due to diffusive morphological instabilities, agreeing with expectations from detailed models of the relevant biological reaction-diffusion processes. | en |
dc.description.sponsorship | This work has been supported by Ministerio de Economía y Competitividad, Agencia Estatal de Investigación, and Fondo Europeo de Desarrollo Regional (Spain and European Union) through Grants No. FIS2015- 66020-C2-1-P, FIS2015-69167-C2-1-P, FIS2015-73337-JIN, and BIO2016-79618-R, and by Comunidad Autónoma de Madrid (Spain) Grant No. NANOAVANSENS S2013/MIT3029 | es |
dc.format.extent | 10 | |
dc.identifier.bibliographicCitation | Santalla, S.N., Rodríguez Laguna, J., Abad, J.P., Marín, I., Espinosa, M.M., Muñoz García, J., Vázquez, L. y Cuerno, R. (2018). Nonuniversality of front fluctuations for compact colonies of nonmotile bacteria. Physical Review E, 98 (1), 012407 | en |
dc.identifier.doi | https://doi.org/10.1103/PhysRevE.98.012407 | |
dc.identifier.issn | 1539-3755 | |
dc.identifier.publicationissue | 1 | |
dc.identifier.publicationtitle | Physical Review E | en |
dc.identifier.publicationvolume | 98 (064027) | |
dc.identifier.uri | https://hdl.handle.net/10016/28356 | |
dc.identifier.uxxi | AR/0000021718 | |
dc.language.iso | eng | en |
dc.publisher | American Physical Society | en |
dc.relation.projectID | Gobierno de España. FIS2015-66020-C2-1-P | es |
dc.relation.projectID | Gobierno de España. FIS2015-73337-JIN | es |
dc.relation.projectID | Gobierno de España. FIS2015-69167-C2-1-P | es |
dc.relation.projectID | Gobierno de España. BIO2016-79618-R | es |
dc.relation.projectID | Comunidad de Madrid. S2013/MIT-3029 | es |
dc.rights | © 2018 American Physical Society | en |
dc.rights.accessRights | open access | en |
dc.subject.eciencia | Matemáticas | es |
dc.title | Nonuniversality of front fluctuations for compact colonies of nonmotile bacteria | en |
dc.type | research article | * |
dc.type.hasVersion | VoR | * |
dspace.entity.type | Publication |
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